1998 Dodge Ram Van 1500 Q&A
1998 Dodge Ram Van 1500 Question: intake leak
There is an "old school" way of trying to locate an intake leak. You could spray around the intake and vac lines with carb/brake cleaner. If there is a leak the idle will change. This could be a bit dangerous if there happens to be a spark. - Dave_sab.
On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal a...
On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.
On the 3.9L V6 and 5.9L V8 the engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distrib...
the heater only blows hot air on acceleration,already changed the heater control valve,it is full of coolant,and can't find any vacuum leaks anywhere around the engine, could it be the vacuum canis...
when the truck is under a load the air will only come out of the defroster as soon as i let off the gas the air will go back to the dash vents